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In this role you will be responsible for working directly with Suppliers and Supplier Quality, monitoring production performance, leading yield improvements and reduction of Cost of Poor Quality (CoPQ), supporting factory compliance with site policies and procedures, validating proper change control and implementation, and more. Utilize analytical capabilities and communications skills to lead rapid resolution of supplier caused issues impacting the factory, working with other quality functions and cross-functional teams.

RTX Corp

Manufacturing Supplier Quality Engineer

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Sr. Manufacturing Supplier Quality Engineer

As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote. We are seeking a Senior Metrology Engineer to provide technical leadership for calibration processes, measurement uncertainty analysis, decision rules, accreditation activities, and overall laboratory metrology practices.

Sr Metrology Engineer

Design, implement, and maintain version-controlled test strategies, test suites, automated regression scripts (using Python, Postman, or Jenkins), and hardware and software test benches to simulate high device counts and stress-test network scalability. In this role, you will bridge the gap between embedded hardware design, building automation sub-systems, and enterprise cloud layers-ensuring smart controllers and edge devices seamlessly integrate into modern edge-to-cloud architectures.

Trane Technologies Plc

Smart Buildings Integration & Test Engineer

We are seeking a DevOps Engineer who will be help improve the reliability, cost efficiency and operational efficiency of our hosted infrastructure and internally developed applications that power the business. In this role, you'll design and build tooling that abstracts away complexity, empowering developers to spend more time focused on building great products.

Buyers Edge Platform LLC

DevOps Engineer

Collaborate effectively with cross functional stakeholders, including Operations, Manufacturing Engineering, Quality, Maintenance, Design/Engineering, Test Equipment Engineering, and Program Offices to ensure test readiness and resolutions to test issues and problems. Support production testing, troubleshoot production issues and problems, integrate engineering changes, and support both hardware under test and test equipment management in manufacturing environment.

Test & Validation Engineer II

Test & Validation Engineer II - 3rd Shift

This role serves as the tip of the spear for aligned cybersecurity modernization guiding advanced assessment activities, ethical hacking phases, vulnerability discovery, threat analysis, and recommending mitigation strategies to strengthen Patriot resilience against evolving cyber threats. The Patriot Cybersecurity organization is seeking an experienced Product Owner to lead cybersecurity innovation and secure development across emerging software, hardware, and integrated capabilities in the Patriot system.

Principal Cybersecurity Engineer - Product Owner

At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world's most complex problems. As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.

Software Engineer

Test and Validation Engineer II - 4th Shift

Support Missions: Travel as needed (up to 15%) to support mission execution at various locations including local RTX facilities, test sites, vendor facilities, and customer locations occurring primarily during first shift and part time section shift hours. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate's work experience, location, education/training, and key skills.

Systems Engineer II - Integration & Test- Onsite

Basic Qualifications: Requires a minimum of 8 years of related experience with a bachelor's degree; or 6 years and a master's degree; or a PhD with 3 years' experience; or equivalent combination of related education and work experience related to EW. With objectivity and integrity at our core, we lead federally funded research and development centers for U.S. government agencies - collaborating with industry and academia to deliver integrated, high-impact solutions that advance our nation's health, security, and prosperity.

Mitre Corp

Lead EW Engineer

To ensure your safety and help you navigate your job search with confidence, please keep the following critical points in mind: No Financial Requests: Anduril will never solicit payment or demand personal financial details (such as banking information, credit card numbers, or social security numbers) at any stage of our hiring process. This third-party service provider provides risk-intelligence services that may include analysis of sanctions and watchlists, adverse media, public-record information, and other lawful open-source or commercial data sources.

YEAR

Anduril Industries Inc

Realtime Software Engineer

SSE oversees all facets of cybersecurity and program protection, and this role is central to developing our talent, strengthening our engineering rigor, and driving secure solutions across critical defense programs. The System Security Engineering (SSE) Department is seeking a Systems Security Engineering Section Lead - M4 a dynamic leader ready to shape the future of cyber‑resilient systems.

Systems Security Engineering Section Lead - M4 (Onsite)

6+ years of combined cybersecurity and AI architecture & engineering experience, including leading production generative AI or agentic implementations across models, orchestration, identity, data, and infrastructure. The wage range for this role takes into account the wide range of factors that are considered in making compensation decisions including but not limited to skill sets; experience and training; licensure and certifications; and other business and organizational needs.

Deloitte Touche Tohmatsu Ltd

Cyber Manager: AI Data Security

Hands-on experience contributing as a Scrum Practitioner by writing and refining user stories, estimating security related tasks, and delivering high-quality cybersecurity documentation and artifacts each sprint. Ability to collaborate closely with Product Owners, engineering teams, and stakeholders to maintain backlog clarity, prioritize work, and integrate security tasks into Agile planning cycles.

Senior Cybersecurity Engineer

Working closely with Security, Engineering, and IT teams, you will design and implement resilient security architectures, secure CI/CD pipelines, and cloud-native protections that enable secure, scalable, and compliant product delivery. This role drives the implementation of security-by-design principles, integrating automated security testing, infrastructure security controls, vulnerability management, and cloud governance into engineering workflows.

SimpliSafe Inc

Staff DevSecOps Engineer

Recognized as a technology leader, Sanmina Corporation provides end-to-end manufacturing solutions, delivering superior quality and support to Original Equipment Manufacturers (OEMs) primarily in the communications networks, defense and aerospace, industrial and semiconductor systems, medical, multimedia, computing and storage, automotive and clean technology sectors. Sanmina employees also receive benefits including: Comprehensive medical and dental coverage, retirement benefits, and for formal education related to advancing your career at Sanmina, reimbursement for certain educational expenses - including tuition.

Sanmina Corp

Quality Engineer Intern

This role is accountable for defining and documenting control strategies and data interfaces between substation devices, generation resources, data centers, remote operation centers, and external entities, and for driving reliable data connectivity and control readiness from design, commissioning, and turnover. Monitor construction progress remotely and via on site visits, support resolution of field issues, attend in person meetings with stakeholders, and provide on-site programming and field support during commissioning when required.

Invenergy LLC

Principal Engineer, SCADA Engineering (BESS)

Today, we are a global team of nearly 7,000 and our main objective is to create opportunities for our team members to explore, learn, and grow – all while seeing their ideas come to life and celebrating the differences that make us who we are and the work we do possible. As a global company that values and respects all identities, cultures, and perspectives, we strive to create an inclusive PTC for ALL through an environment where everyone feels like they belong and are empowered to bring their true, authentic selves to work.

Security Engineer Jobs in Nashua, NH

Manufacturing Supplier Quality Engineer RTX Corp

Sr. Manufacturing Supplier Quality Engineer RTX Corp

Sr Metrology Engineer RTX Corp

Smart Buildings Integration & Test Engineer Trane Technologies Plc

DevOps Engineer Buyers Edge Platform LLC

Test & Validation Engineer II RTX Corp

Test & Validation Engineer II - 3rd Shift RTX Corp

Principal Cybersecurity Engineer - Product Owner RTX Corp

Software Engineer RTX Corp

Test and Validation Engineer II - 4th Shift RTX Corp

Systems Engineer II - Integration & Test- Onsite RTX Corp

Lead EW Engineer Mitre Corp

Realtime Software Engineer Anduril Industries Inc

Systems Security Engineering Section Lead - M4 (Onsite) RTX Corp

Cyber Manager: AI Data Security Deloitte Touche Tohmatsu Ltd

Senior Cybersecurity Engineer RTX Corp

Staff DevSecOps Engineer SimpliSafe Inc

Quality Engineer Intern Sanmina Corp

Principal Engineer, SCADA Engineering (BESS) Invenergy LLC

Quality Assurance Engineer Pilot Thomas Logistics

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